| CEOS EO HANDBOOK – MEASUREMENTS
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Measurements > Land >
Inland Waters
  | Observations of inland water systems, for example lakes and rivers. | |
| Detailed Measurement | Description* | Instruments | Timeline |
Lake Area
Link:   | Area extent of the surface of a lake- Physical unit: [ m2 ] - Accuracy unit: [ m2 ]. | 1 instrument |  |
Lake level
Link: | Map of the height of the lake surface. - Physical unit: [ cm ] - Accuracy unit: [ cm ]. | 1 instrument | |
Lake Surface Temperature
Link: | Temperature of the lake surface. - Physical unit: [ K ] - Accuracy unit: [ K ]. | 3 instruments | |
| Surface Water Extent | The spatial extent of water on the surface of the Earth such as in a river, lake, ponds, wetland, or the ocean, as well as inundation due to flooding. | 8 instruments | |
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* Description adapted from WMO.
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